Fitment: compatible with most Graco airless paint sprayers. Models are: 190ES, Ultra Models -210ES,210PC,230PC,295ST;UltraMax and UltraMax II-390, 395, 490, 495, 595;UltraMax and UltraMax II -695, 795, 1095, 1595;PC Pro- 390 395 490 495 595 695 795 1095 1595;GMAX and GMAX II -3400, 3900, 5900, 7900;Linelazers-3400, 3900, 5900, 7900. Please note: This product is compatible with Graco sprayers and is not compatible with Titan sprayers Models are: 190ES, Ultra Models -210ES,210PC,230PC,295ST; 395 PC FinishPro, 595 PC FinishPro; 390 FinishPro, 395 FinishPro, 595 FinishPro; 3400 GMax II, 3900 GMax II, 5900 GMax II, 7900 GMax II; 5900HD Gmax II, 7900HD Gmax II; UltraMax and UltraMax II-390, 395, 490, 495, 595; UltraMax and UltraMax II -695, 795, 1095, 1595; PC Pro- 390 395 490 495 595 695 795 1095 1595; GMAX and GMAX II -3400, 3900, 5900, 7900; Linelazers-3400, 3900, 5900, 7900 Mark V TexSpray. Please note: This product is compatible with Graco sprayers and is not compatible with Titan sprayers. Faulty transducers can cause the following error codes to appear in you digital display E=02 (High pressure signal from transducer) E=03 (Transducer failure or connection error) Faulty transducers can also allow your machine to run past the maximum pressure of 3300psi and not stop. Over-pressurized machines can cause dangerous burst paint lines or damage to other components, such as pumps or drain valves. Sensor failure in Graco airless paint sprayers is a common occurrence; sensors are not repairable and they must be replaced. Features: 1) made of good materials and has excellent durability for better connection to high pressure filters and control panels. Sprayer Pressure Transducer adopt preciseness compensation technology and sensitive components, bear high volumes from 6bar to 6000bar.Replaceable Part Number: 243222 2) connected between the high pressure filter and the control board. The sensor is sending a signal to the control board, and the control board uses that information to know when the sprayer has reached maximum pressure. Excessive pressure can cause the sensor to cause an error code to appear on your digital display, a timely reminder to replace or report an error 3) can cause dangerous burst paint lines or damage to other components, such as pumps or drain valves. Sensor failure in Graco airless paint sprayers is a common occurrence; sensors are not repairable and they must be replaced Easy Installation See if the display board shows CODE 03 before replacing, or remove the control box cover to see if the LED is blinking three times Turn off power to the sprayer and unplug the power cord Unplug the old transducer Install the new transducer according to the removal steps If there is no error code showing on the display board (or the display board shows as the picture), it means the problem has been solved Package included: 243222 Airless Sprayer Pressure Transducer